In many manufacturing plants, individuals are often working around high-temperature surfaces. Exposed hot surfaces that can cause thermal burns on human skin are considered hazards in the workplace. Metallic surfaces above 70° C can instantly damage skin that touches them. Consider an AISI 1010 carbon steel strip (? = 7832 kg/ m 3 ) 2 mm thick and 3 cm wide that is conveyed into a chamber to be cooled at a constant speed of 1 m/s. The steel strip enters the cooling chamber at 597° C. Determine the rate at which heat needs to be removed so that the steel strip exits the chamber at 47° C . Discuss how the conveyance speed can affect the required rate of heat removal
In many manufacturing plants, individuals are often working around high-temperature surfaces. Exposed hot surfaces that can cause thermal burns on human skin are considered hazards in the workplace. Metallic surfaces above 70° C can instantly damage skin that touches them. Consider an AISI 1010 carbon steel strip (? = 7832 kg/ m 3 ) 2 mm thick and 3 cm wide that is conveyed into a chamber to be cooled at a constant speed of 1 m/s. The steel strip enters the cooling chamber at 597° C. Determine the rate at which heat needs to be removed so that the steel strip exits the chamber at 47° C . Discuss how the conveyance speed can affect the required rate of heat removal
Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)
8th Edition
ISBN:9781305387102
Author:Kreith, Frank; Manglik, Raj M.
Publisher:Kreith, Frank; Manglik, Raj M.
Chapter6: Forced Convection Over Exterior Surfaces
Section: Chapter Questions
Problem 6.53P
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In many manufacturing plants, individuals are
often working around high-temperature surfaces.
Exposed hot surfaces that can cause thermal burns on human
skin are considered hazards in the workplace. Metallic surfaces
above 70° C can instantly damage skin that touches them.
Consider an AISI 1010 carbon steel strip (? = 7832 kg/ m 3 )
2 mm thick and 3 cm wide that is conveyed into a chamber to
be cooled at a constant speed of 1 m/s. The steel strip enters
the cooling chamber at 597° C. Determine the rate at which
heat needs to be removed so that the steel strip exits the chamber
at 47° C . Discuss how the conveyance speed can affect the
required rate of heat removal.
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